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San Diego

$175+ Cheap flights from Ottawa (YOW) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAN
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap flight deals from Ottawa to San Diego

Cheapest flights from Ottawa to San Diego
Explore the most affordable flight options available from Ottawa to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This oojo deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Sat 5/93:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 3/13$288
This Trip.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Wed 6/33:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 3/12$292
This Trip.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:20 pm
YOW
-
SAN
1 stop27h 50m
WestJet
Fri 5/293:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 3/12$323
This WestJet deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Sat 6/63:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 3/11$335
This oojo deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:20 am
YOW
-
SAN
1 stop9h 50m
WestJet
Thu 6/183:30 pm
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 3/13$341

Find flight deals from Ottawa to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(oojo)

One-way from

$175
(Trip.com)

Popular in

October

Cheapest in

May

Average price

$480
Provider with most accurate pricing for Ottawa-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-San Diego flights.
Search Deals
From Ottawa to San Diego
Search Deals
One-way flight from Ottawa to San Diego
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Ottawa to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 5/1

5:25 pm-10:39 pm

1 stop8h 14m

San Diego

Sat 5/9

10:20 pm-9:11 am

1 stop7h 51m

$398

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Wed 6/3

6:25 am-6:30 pm

1 stop15h 05m

San Diego

Sat 6/6

10:40 pm-1:59 pm

1 stop12h 19m

$398

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 9/10

5:20 pm-10:10 pm

1 stop7h 50m

San Diego

Mon 9/14

9:05 pm-9:11 am

1 stop9h 06m

$405

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sat 4/11

10:44 am-6:53 pm

1 stop11h 09m

San Diego

Sat 4/18

6:20 am-9:35 pm

1 stop12h 15m

$405

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 6/1

7:30 pm-10:49 am

1 stop18h 19m

San Diego

Fri 6/5

9:45 pm-10:03 am

1 stop9h 18m

$405

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 4/24

10:44 am-8:12 pm

2 stops12h 28m

San Diego

Mon 5/4

6:05 pm-2:22 pm

2 stops17h 17m

$418

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 3/31

6:25 am-8:12 pm

2 stops16h 47m

San Diego

Fri 4/10

10:30 pm-1:59 pm

1 stop12h 29m

$421

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 4/2

10:44 am-10:59 pm

1 stop15h 15m

San Diego

Fri 4/10

4:09 pm-1:59 pm

2 stops18h 50m

$421
Cheapest one-way

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 6/2

5:00 am-11:50 am

1 stop9h 50m

$195

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 5/7

1:20 pm-12:43 pm

3 stops26h 23m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Ottawa to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to San Diego in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ottawa to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to San Diego

How far ahead should I book a flight from Ottawa to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to San Diego. Price data was last updated on March 6, 2026.

The best time to book flights from Ottawa to San Diego is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ottawa to San Diego?

Currently, January is the cheapest month in which you can book a flight from Ottawa to San Diego (average of $131). Flying from Ottawa to San Diego in December is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated March 14, 2026.
Get a feel of what it's like to fly with United Airlines and Air Canada from Ottawa to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,423 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,423 reviews
United Airlines
7.4
Good
9,423 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,423 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to San Diego?

    A quick flight from Ottawa to San Diego can take about 11h 30m. WestJet provides one of the quickest options available for as low as $398. The distance between Ottawa and San Diego is about 2360 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Ottawa to San Diego round-trip?

    Air Canada, at $277, was found to be the cheapest airline from Ottawa to San Diego. An alternate airline flying to your destination would be United Airlines. Air Canada is currently priced 38% below the average price you’ll pay for this route.

  • Can I find deals for flights from Ottawa to San Diego that include hotel bookings?

    Yes. In addition to deals on Ottawa to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to San Diego.

  • Can I find deals for business class flights from Ottawa to San Diego?

    Yes. Cheapflights offers flight deals from Ottawa to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to San Diego (average of $131). Flying from Ottawa to San Diego in December is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ottawa to San Diego

Discover the top 2 airlines that operate flights from Ottawa to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$277Average$713FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$293Average$411FlexibilityNo cancel feeOn-time69%

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